<template>
<div>
    <div ref="myChart" style="width:100%;height:500px"></div>
</div>
</template>

<script>
    import echarts from 'echarts';
export default {
    mounted(){
        this.show()
    },
    methods:{
        show(){
             // 销毁之前的实例
            echarts.dispose(this.$refs.myChart);
            // 重新创建新的实例
            let myChart = echarts.init(this.$refs.myChart);
            myChart.setOption(this.option, true);
        }
    },
    computed:{

    option(){
        return{
    backgroundColor: '#2c343c',
    title: {
        text: '销售额占比统计',
        left: 'center',
        top: 20,
        textStyle: {
            color: '#ccc'
        }
    },

    tooltip: {
        trigger: 'item',
        formatter: '{a} <br/>{b} : {c} ({d}%)'
    },

    visualMap: {
        show: false,
        min: 80,
        max: 600,
        inRange: {
            colorLightness: [0, 1]
        }
    },
    series: [
        {
            name: '访问来源',
            type: 'pie',
            radius: '55%',
            center: ['50%', '50%'],
            data: [
                {value: 335, name: '进货商销售额'},
                {value: 310, name: '门店销售额'},
                {value: 274, name: '用户销售额'},
            ].sort(function (a, b) { return a.value - b.value; }),
            roseType: 'radius',
            label: {
                color: 'rgba(255, 255, 255, 0.3)'
            },
            labelLine: {
                lineStyle: {
                    color: 'rgba(255, 255, 255, 0.3)'
                },
                smooth: 0.2,
                length: 10,
                length2: 20
            },
            itemStyle: {
                color: '#c23531',
                shadowBlur: 200,
                shadowColor: 'rgba(0, 0, 0, 0.5)'
            },

            animationType: 'scale',
            animationEasing: 'elasticOut',
            animationDelay: function (idx) {
                return Math.random() * 200;
            }
        }
    ]
}}}
}
</script>

<style>

</style>